Wiper adapter



FIG. 1 is a front view thereof;

FIG. 2 is a rear view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front prespective view thereof; and,

FIG. 8 is a rear prespective view thereof. 

The ornamental design for a wiper adapter, as shown. 